1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Freescale eSDHC controller driver generics for OF and pltfm. 4 * 5 * Copyright (c) 2007 Freescale Semiconductor, Inc. 6 * Copyright (c) 2009 MontaVista Software, Inc. 7 * Copyright (c) 2010 Pengutronix e.K. 8 * Author: Wolfram Sang <kernel@pengutronix.de> 9 */ 10 11 #ifndef _DRIVERS_MMC_SDHCI_ESDHC_H 12 #define _DRIVERS_MMC_SDHCI_ESDHC_H 13 14 /* 15 * Ops and quirks for the Freescale eSDHC controller. 16 */ 17 18 #define ESDHC_DEFAULT_QUIRKS (SDHCI_QUIRK_FORCE_BLK_SZ_2048 | \ 19 SDHCI_QUIRK_32BIT_DMA_ADDR | \ 20 SDHCI_QUIRK_NO_BUSY_IRQ | \ 21 SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK | \ 22 SDHCI_QUIRK_PIO_NEEDS_DELAY | \ 23 SDHCI_QUIRK_NO_HISPD_BIT) 24 25 /* pltfm-specific */ 26 #define ESDHC_HOST_CONTROL_LE 0x20 27 28 /* 29 * eSDHC register definition 30 */ 31 32 /* Present State Register */ 33 #define ESDHC_PRSSTAT 0x24 34 #define ESDHC_CLOCK_GATE_OFF 0x00000080 35 #define ESDHC_CLOCK_STABLE 0x00000008 36 37 /* Protocol Control Register */ 38 #define ESDHC_PROCTL 0x28 39 #define ESDHC_VOLT_SEL 0x00000400 40 #define ESDHC_CTRL_4BITBUS (0x1 << 1) 41 #define ESDHC_CTRL_8BITBUS (0x2 << 1) 42 #define ESDHC_CTRL_BUSWIDTH_MASK (0x3 << 1) 43 #define ESDHC_HOST_CONTROL_RES 0x01 44 45 /* System Control Register */ 46 #define ESDHC_SYSTEM_CONTROL 0x2c 47 #define ESDHC_CLOCK_MASK 0x0000fff0 48 #define ESDHC_PREDIV_SHIFT 8 49 #define ESDHC_DIVIDER_SHIFT 4 50 #define ESDHC_CLOCK_SDCLKEN 0x00000008 51 #define ESDHC_CLOCK_PEREN 0x00000004 52 #define ESDHC_CLOCK_HCKEN 0x00000002 53 #define ESDHC_CLOCK_IPGEN 0x00000001 54 55 /* System Control 2 Register */ 56 #define ESDHC_SYSTEM_CONTROL_2 0x3c 57 #define ESDHC_SMPCLKSEL 0x00800000 58 #define ESDHC_EXTN 0x00400000 59 60 /* Host Controller Capabilities Register 2 */ 61 #define ESDHC_CAPABILITIES_1 0x114 62 63 /* Tuning Block Control Register */ 64 #define ESDHC_TBCTL 0x120 65 #define ESDHC_HS400_WNDW_ADJUST 0x00000040 66 #define ESDHC_HS400_MODE 0x00000010 67 #define ESDHC_TB_EN 0x00000004 68 #define ESDHC_TB_MODE_MASK 0x00000003 69 #define ESDHC_TB_MODE_SW 0x00000003 70 #define ESDHC_TB_MODE_3 0x00000002 71 72 #define ESDHC_TBSTAT 0x124 73 74 #define ESDHC_TBPTR 0x128 75 #define ESDHC_WNDW_STRT_PTR_SHIFT 8 76 #define ESDHC_WNDW_STRT_PTR_MASK (0x7f << 8) 77 #define ESDHC_WNDW_END_PTR_MASK 0x7f 78 79 /* SD Clock Control Register */ 80 #define ESDHC_SDCLKCTL 0x144 81 #define ESDHC_LPBK_CLK_SEL 0x80000000 82 #define ESDHC_CMD_CLK_CTL 0x00008000 83 84 /* SD Timing Control Register */ 85 #define ESDHC_SDTIMNGCTL 0x148 86 #define ESDHC_FLW_CTL_BG 0x00008000 87 88 /* DLL Config 0 Register */ 89 #define ESDHC_DLLCFG0 0x160 90 #define ESDHC_DLL_ENABLE 0x80000000 91 #define ESDHC_DLL_FREQ_SEL 0x08000000 92 93 /* DLL Config 1 Register */ 94 #define ESDHC_DLLCFG1 0x164 95 #define ESDHC_DLL_PD_PULSE_STRETCH_SEL 0x80000000 96 97 /* DLL Status 0 Register */ 98 #define ESDHC_DLLSTAT0 0x170 99 #define ESDHC_DLL_STS_SLV_LOCK 0x08000000 100 101 /* Control Register for DMA transfer */ 102 #define ESDHC_DMA_SYSCTL 0x40c 103 #define ESDHC_PERIPHERAL_CLK_SEL 0x00080000 104 #define ESDHC_FLUSH_ASYNC_FIFO 0x00040000 105 #define ESDHC_DMA_SNOOP 0x00000040 106 107 #endif /* _DRIVERS_MMC_SDHCI_ESDHC_H */ 108